The more contagious Delta variant, which was first identified in India, has now spread to nearly every state in the U.S. The CDC says it accounts for 1 in every 5 new COVID-19 infections. Now, the World Health Organization is urging everyone, including fully vaccinated people, to wear a mask in indoor public spaces. Dr. Dyan Hes, founder of Gramercy Pediatrics, joined CBSN to discuss the best way to protect yourself and your children.
